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Ugo [173]
2 years ago
5

Is 4:12 equivalent to 5:15

Mathematics
1 answer:
vlabodo [156]2 years ago
4 0

Answer:

Yes.

Step-by-step explanation:

Ratios also function as fractions.

4/12 = 1/3 = 0.333

5/15 = 1/3 = 0.333

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The graph represents a person's heart rate in beats per minute during 30 minutes of exercise.
Andrej [43]

Looking at the graph closely we can see that the heart rate increases from 0 to 6 min then became steady from 6 to 25 min then finally decreases from 25 to 30 min. Therefore the correct answer is:

“The heart rate increases for 6 minutes, remains constant for 19 minutes, and then gradually decreases for 5 minutes.”

 

In real life cardiac exercises, we can interpret that the period from 0 to 6 min is the period where the person is still warming up thus leading to an increase in heart rate. At 6 min, the person is fully warmed up hence reaching a stable heart rate. Then at 25 min, the person starts cooling down which means that the exercise is ending soon.

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3 years ago
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Answer:

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Step-by-step explanation:

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2 years ago
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Nataliya [291]
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8 0
3 years ago
C + d = 60<br> 2.5c + 1.75d = 123.75
likoan [24]

Answer:

  (c, d) = (25, 35)

Step-by-step explanation:

Multiply the first equation by 2.5 and subtract the second one:

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NNADVOKAT [17]

Answer:

Yes, they are equalent

Step-by-step explanation:

12:14 = 6:7

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5 0
3 years ago
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